#include"stdio.h"
//#define square(x)    x*x
//void main()
//{
//	printf("%d\n",square(5+1));
//}


//#define square(x)    (x)+(x)
//void main()
//{
//	printf("%d\n",10*square(5));
//}

#define square(x)    ((x)+(x))
void main()
{
	printf("%d\n",10*square(5));
}



